Harold J Miossi Charitable Trust C/O Howard Carroll Trustee
ActivePhilanthropy & Voluntarism
SAN LUIS OBISPO, CAWebsite
About Harold J Miossi Charitable Trust C/O Howard Carroll Trustee
The Harold J Miossi Charitable Trust concentrates its giving in San Luis Obispo County, favoring capital and capacity-building investments for local cultural, environmental, and K–12 education initiatives. Grants are often large, targeted gifts to community anchors — theaters, museums, land conservancy and hands-on education programs — with occasional support for faith-based parish education. The foundation appears focused on sustaining local infrastructure and experiential learning rather than broad national causes.
Focus Areas
Capital campaigns for local cultural institutions (e.g., regional theater and museum facility projects)K–12 experiential education in San Luis Obispo County (e.g., Trout in the Classroom, middle-school innovation labs, agricultural education programs)Land conservation and local habitat restoration (county land trust campaigns, salmon enhancement programs)Parish-based religious education/faith formation (church atrium projects)
Who They Fund
children ages 0-18court-dependent / system-involved childrenelementary and middle school students
About Harold J Miossi Charitable Trust C/O Howard Carroll Trustee
Harold J Miossi Charitable Trust C/o Howard Carroll Trustee repeatedly makes large, place-based grants for San Luis Obispo County institutions and projects. Its recent giving includes a $1,000,000 capital campaign grant to Slo Repertory Theatre for construction work in San Luis Obispo, a $390,000 gift to Nativity of Our Lady Catholic Church for an atrium, and a $250,000 grant to Slo County Agriculture Education Committee for Agventure North & South. The trust also backs conservation, school enrichment, and local arts infrastructure, including support for watershed work, museum repairs, and community performance programming. The pattern suggests a funder focused on strengthening civic and cultural assets that residents use directly. Grants have supported county land conservation, classroom-based agricultural and environmental education, and programs for children and families. Recipients range from museums and theaters to education nonprofits, land trusts, churches, and service organizations. Several awards are tied to capital or refurbishment work rather than unrestricted operating support, pointing to an emphasis on facilities, exhibits, and program infrastructure. In addition to these larger commitments, the trust has made smaller targeted grants for youth field trips, school-based programs, and animal-related services within the same local geography.
What Harold J Miossi Charitable Trust C/O Howard Carroll Trustee Funds
In arts and cultural work, the trust gave $1,000,000 to Slo Repertory Theatre for a capital campaign tied to construction in San Luis Obispo, and $105,000 to Slo Museum of Art for phase II repairs. That same infrastructure orientation appears in community arts programming, with $55,000 to Civic Ballet of San Luis Obispo for Spring Ballet West Side Story. Education is another clear line of support. The trust awarded $250,000 to Slo County Agriculture Education Committee for Agventure North & South, $125,000 to San Luis Coastal Education Foundation for a study innovation lab for middle schools, and $26,000 to One Cool Earth for the Earth Genius program at C.L. Smith Elementary School. Environmental giving includes $127,900 to The Land Conservacy of Slo County for a campaign involving three lots near the Octagon Barn Center, and two grants to The Bay Foundation of Morro Bay for bioassessment monitoring of the Morro Bay watershed. Animal-related and youth-serving grants also appear in the recent record.
Financial Snapshot
Annual Giving
$2.7M
Total Assets
$4.6M
Total Revenue
$873K
Total Expenses
$2.8M
Typical Grant Size
Most grants fall between $10K and $59K, with a median of $21K.
25th Percentile
$10K
Median
$21K
75th Percentile
$59K
Geographic Reach
Local1 state funded
Funding intensity
LowHigh
Headquarters
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